common⚑ High burden in India

Refractive error (myopia)

error is a problem with focusing light accurately on the due to the shape of the eye and/or . The most common types of refractive error are near-sightedness, , , and presbyopia. Near-sightedness results in far away objects being blurry, far-sightedness and presbyopia result in close objects being blurry, and astigmatism causes objects to appear stretched out or blurry. Other symptoms may include double vision, headaches, and eye strain.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

·Blurry vision, double vision, headaches, eye strain

Causes — why it happens

·Eyeball length, problems with shape, aging of the lens

Treatment

·Eyeglasses, contact lenses,

Complications

·Blindness,

Test yourself

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4 quick questions on Refractive error (myopia). Tap an answer to check it.

1. A refractive error is a problem with what?

2. In near-sightedness (myopia), which objects look blurry?

3. Which is a common symptom of refractive error?

4. How is refractive error usually corrected?

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Plain-language summary adapted from Wikipedia. Not medical advice.